Low water levels have led to a traffic jam at one of the world’s busiest maritime passages. The bottleneck demonstrates how accelerating climate change is threatening global supply chains.

Ayman al-Zawahiri leaves behind a robust network of strategically aligned but tactically independent al-Qaeda affiliates operating in Africa, Asia, and the Middle East.

Russia’s extraordinary show of force in and around Ukraine underscores the military imbalance between the two countries. 

The Obama-era policy protecting young undocumented immigrants from deportation has faced a raft of legal challenges. It could be up to the Supreme Court to decide the program’s fate.

Queen Elizabeth II is the monarch of fourteen countries in addition to the United Kingdom. Barbados’s transition to a republic has revived debate over the future of the Crown.